Texas Instruments TI-83 PLUS - Manual (Page 437)

TI-83 Plus Inferential Statistics and Distributions 434
Distribution Shading
DISTR DRAW Menu
To display the
DISTR DRAW
menu, press y = ~ .
DISTR DRAW
instructions draw various types of density functions, shade the area
specified by
lowerbound and upperbound , and display the computed area
value.
To clear the drawings, select 1:ClrDraw from the
DRAW
menu (Chapter 8).
Note: Before you execute a DISTR DRAW instruction, you must set the window
variables so that the desired distribution fits the screen.
DISTR DRAW
1: ShadeNorm( Shades normal distribution.
2: Shade_t( Shades Student- t distribution.
3: Shade c
2
( Shades c 2 distribution.
4: ShadeÛ( Shades Û distribution.
Note: L 1 å 99 and 1 å 99 specify infinity. If you want to view the area left of
upperbound , for example, specify lowerbound = L 1 е 99.